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 StrNatCmp( , ,  )

=== Description === String comparisons using a "natural order" algorithm. === Parameters === ==== str1 ==== The first ..."

2013-09-01T11:56:13Z

Created page with "<pre> StrNatCmp( <str1>, <str2>, <ignoreCase> ) </pre> === Description === String comparisons using a "natural order" algorithm. === Parameters === ==== str1 ==== The first ..."

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<pre>
StrNatCmp( <str1>, <str2>, <ignoreCase> )
</pre>

=== Description ===

String comparisons using a "natural order" algorithm.

=== Parameters ===

==== str1 ====

The first string.

==== str2 ====

The second string.

==== ignoreCase ====

Optional; Do case insensitive match

true = Ignore case and match case insensitively

false = Case must be an exact match

=== Return Value ===

Similar to other string comparison functions, this one returns

-1 if str1 is less than str2

1 if str1 is greater than str2

0 if they are equal.

=== Remarks ===

None.

=== Example ===

<syntaxhighlight lang="sputnik">
echo (StrNatCmp("Hello", "Hello") . "\n");
echo (StrNatCmp("Hello", "HellO") . "\n");
echo (StrNatCmp("Hello", "HellO", true) . "\n");
echo (StrNatCmp("HellO", "Hello") . "\n");
echo (StrNatCmp("HellO", "Hello", true) . "\n");

$arr = array("img12.png", "img10.png", "img2.png", "img1.png");
foreach($arr as $i)
{
foreach($arr as $j)
{
echo("First '$i' Second '$j' Code '" . StrNatCmp($i, $j) . "'\n");
}
}
/*
0
1
0
-1
0
First 'img12.png' Second 'img12.png' Code '0'
First 'img12.png' Second 'img10.png' Code '1'
First 'img12.png' Second 'img2.png' Code '1'
First 'img12.png' Second 'img1.png' Code '1'
First 'img10.png' Second 'img12.png' Code '-1'
First 'img10.png' Second 'img10.png' Code '0'
First 'img10.png' Second 'img2.png' Code '1'
First 'img10.png' Second 'img1.png' Code '1'
First 'img2.png' Second 'img12.png' Code '-1'
First 'img2.png' Second 'img10.png' Code '-1'
First 'img2.png' Second 'img2.png' Code '0'
First 'img2.png' Second 'img1.png' Code '1'
First 'img1.png' Second 'img12.png' Code '-1'
First 'img1.png' Second 'img10.png' Code '-1'
First 'img1.png' Second 'img2.png' Code '-1'
First 'img1.png' Second 'img1.png' Code '0'
*/
</syntaxhighlight>

Example of using this function to sort an array

<syntaxhighlight lang="sputnik">
$arr = array("img12.png", "img10.png", "img2.png", "img1.png");
say "Without sorting";
printr($arr);
sort($arr, 1, Function( $a, $b ){ return StrNatCmp($a, $b, true); });
say "After natural sorting";
printr($arr);
/*
Without sorting
ARRAY
{
[0] => img12.png
[1] => img10.png
[2] => img2.png
[3] => img1.png
}
After natural sorting
ARRAY
{
[0] => img1.png
[1] => img2.png
[2] => img10.png
[3] => img12.png
}
*/
</syntaxhighlight>

[[Category:Core Function]]

Core Function StrNatCmp - Revision history

UberFoX: 1 revision

UberFoX: 1 revision

UberFoX: Created page with "
StrNatCmp( , , )
=== Description === String comparisons using a "natural order" algorithm. === Parameters === ==== str1 ==== The first ..."